黔西南灰家堡卡林型金矿田硫铅同位素组成及成矿物质来源研究
Sulfur and Lead Isotopic Composition of the Huijiabao Carlin-type Gold Field and the Ore-Forming Material Sources in Southwest of Guizhou
查看参考文献26篇
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文摘
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为探讨黔西南灰家堡金矿田中成矿物质来源,作者对其部分典型矿床中硫化物进行了系统的硫、铅同位素分析。结果显示,雄黄δ34S值为0.81‰~5.20‰,均值为1.96‰,两件辉锑矿δ34S值分别为-0.47‰和-4.88‰。雄黄和辉锑矿δ34S值主要在0‰附近,硫同位素直方图显示明显的塔式效应,指示成矿流体中硫可能主要来源于深部。雄黄、黄铁矿铅同位素组成变化均较大,雄黄铅同位素组成的变化明显大于黄铁矿且更接近于区域地层及峨眉山玄武岩。矿石铅μ值为9.33~9.61,主要小于9.58,推测为循环大气降水淋滤围岩地层岩石中高放射性成因的铅加入原始成矿流体,从而导致晚期雄黄显示出部分壳源铅特征。矿田内雄黄、黄铁矿的铅同位素可能为壳幔混合铅。 |
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其他语种文摘
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To discuss the evolution of potential metal sources, sulfur and lead isotopic compositions of sulfides in typical gold deposits from the Huijiabao Carlin-type gold field have been systematically analyzed. The results showed that the δ34S values of Realgars range from 0.81‰ to 5.20‰ with a mean of 1.96‰, and the δ34S values of two Stibnites are-0.47‰ and-4.88‰. The δ34S values of Realgars and Stibnites present a tower distribution with most values near 0‰, indicating deep zone originations. Lead isotopic compositions of realgars and pyrites range widely, the variation of lead isotopic composition of realgars is higher than that of pyrites, and lead isotope compositions of realgars are very close to those of the regional strata and the Emeishan basalts. The μ values of the ores are from 9.33 to 9.61, with majorities are below 9.58. Lead in the late stage Realgar exhibits a crust-derived characteristics may be the result of radiogenic lead in wallrocks being leached into the primary ore-forming fluid by circulated meteoric water. The lead isotopes in the studied realgar and pyrite may indicate mixing of the crust and the mantle leads. |
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来源
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矿物岩石地球化学通报
,2013,32(6):746-752,758 【核心库】
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关键词
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硫同位素
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铅同位素
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成矿物质来源
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灰家堡金矿田
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黔西南
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地址
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中国科学院地球化学研究所, 矿床地球化学国家重点实验室, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-2802 |
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学科
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地质学 |
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基金
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国家科技支撑计划项目
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贵州省地质矿产勘查开发局地质科研项目
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矿床地球化学国家重点实验室自主研究基金资助项目
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文献收藏号
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CSCD:5022601
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参考文献 共
26
共2页
|
|
1.
刘东生.
中国卡林型（微细浸染型）金矿床,1994
|
被引
1
次
|
|
|
|
|
2.
Hofstra A H. Characteristics and models of Carlin-type gold deposits.
Gold in 2000: Reviews in Economic Geology. 13,2000:163-220
|
被引
1
次
|
|
|
|
|
3.
陈懋弘.
基于成矿构造和成矿流体耦合条件下的贵州锦丰（烂泥沟）金矿成矿模式,2007
|
被引
1
次
|
|
|
|
|
4.
聂爱国. 黔西南水银洞金矿床成矿地质条件研究.
黄金,2006,27(6):5-9
|
被引
3
次
|
|
|
|
|
5.
聂爱国.
黔西南卡林型金矿的成矿机制及成矿预测,2007
|
被引
9
次
|
|
|
|
|
6.
王登红. 卡林型金矿找矿新进展及其意义.
地质地球化学,2000,28(1):92-96
|
被引
17
次
|
|
|
|
|
7.
朱赖民. 初论黔西南微细浸染型金矿床深源流体成矿.
矿物岩石地球化学通报,1997,16(3):173-177
|
被引
6
次
|
|
|
|
|
8.
朱赖民. 滇-黔-桂微细浸染型金矿床时空分布与成矿流体来源研究.
地质科学,1998,33(4):463-474
|
被引
36
次
|
|
|
|
|
9.
Kesler S E. Evaluation of the role of sulfidation in deposition of gold, screamer section of the betze-post carlin-type deposit, Nevada.
Economic Geology,2003,98:1137-1157
|
被引
19
次
|
|
|
|
|
10.
Kesler S E. Evidence for a magmatic origin for Carlin-type gold deposits: Isotopic composition of sulfur in the Betze-Post-Screamer Deposit, Nevada, USA.
Mineralium Deposita,2005,40:127-136
|
被引
23
次
|
|
|
|
|
11.
Hu R Z. Geology and geochemistry of Carlin-type gold deposits in China.
Mineralium Deposita,2002,37:378-392
|
被引
81
次
|
|
|
|
|
12.
刘建中. 贵州水银洞超大型金矿勘查实践及灰家堡矿集区勘查新进展.
地质调查与研究,2009,32(2):138-143
|
被引
10
次
|
|
|
|
|
13.
夏勇.
贵州贞丰县水银洞金矿床成矿特征和金的超常富集机制研究,2005
|
被引
12
次
|
|
|
|
|
14.
夏勇. 黔西南水银洞层控超大型卡林型金矿床成矿模式及成矿预测研究.
地质学报,2009,83(10):1473-1482
|
被引
37
次
|
|
|
|
|
15.
Su W C. Visible gold in arsenian pyrite at the Shuiyindong Carlin-type gold deposit, Guizhou, China: Implications for the environment and processes of ore formation.
Ore Geology Reviews,2008,33:667-679
|
被引
58
次
|
|
|
|
|
16.
Su W C. Calcite Sm-Nd isochron age of the Shuiyindong Carlin-type gold deposit, Guizhou, China.
Chemical Geology,2009,258:269-274
|
被引
79
次
|
|
|
|
|
17.
Su W C. Sediment-hosted gold deposits in Guizhou, China: Products of wall-rock sulfidation by deep crustal fluids.
Economic Geology,2009,104:73-93
|
被引
60
次
|
|
|
|
|
18.
覃礼敬. 贵州省兴仁县太平洞金矿床地质地球化学特征.
贵州地质,2006,23(3):187-196
|
被引
4
次
|
|
|
|
|
19.
王成辉. 贵州水银洞超大型卡林型金矿同位素地球化学特征.
地学前缘,2010,17(2):396-403
|
被引
19
次
|
|
|
|
|
20.
张瑜. 贵州簸箕田金矿单矿物稀土元素和同位素地球化学特征.
地学前缘,2010,17(2):385-395
|
被引
28
次
|
|
|
|
|
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